"Mon, 03 Jun 2024 20:00:08"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240603
Only TIME
20:00:08
General datetime
2024-06-03 20:00:08Z
For Database
2024-06-03 20:00:08
For HTTP1.1
Mon, 03 Jun 2024 20:00:08 GMT